| Harper Woods to Castelletto sopra Ticino | 4,285.72 mi (6,897.20 km) |
| Harper Woods to Castelli Calepio | 4,339.80 mi (6,984.23 km) |
| Harper Woods to Castelnovo ne' Monti | 4,406.80 mi (7,092.06 km) |
| Harper Woods to Castelnuovo Berardenga | 4,495.02 mi (7,234.04 km) |
| Harper Woods to Castelnuovo di Porto | 4,585.35 mi (7,379.41 km) |
| Harper Woods to Castelnuovo di Verona | 4,382.24 mi (7,052.53 km) |
| Harper Woods to Castelnuovo Rangone | 4,423.74 mi (7,119.33 km) |
| Harper Woods to Castelvetrano | 4,784.80 mi (7,700.39 km) |
| Harper Woods to Castelvetro di Modena | 4,426.40 mi (7,123.60 km) |
| Harper Woods to Castenaso | 4,446.99 mi (7,156.73 km) |
| Harper Woods to Castenedolo | 4,362.00 mi (7,019.96 km) |
| Harper Woods to Castiglion Fiorentino | 4,512.04 mi (7,261.43 km) |
| Harper Woods to Castiglione del Lago | 4,525.63 mi (7,283.31 km) |
| Harper Woods to Castiglione delle Stiviere | 4,372.88 mi (7,037.47 km) |
| Harper Woods to Castrolibero | 4,857.78 mi (7,817.84 km) |
